Tolepbergen С. Sludge and oil refining of non-ferrous metallurgy waste in the production of building materials use. Рroblems of engineering and professional education, [S. l.], v. 43, n. 4, p. 49–54, 2023. DOI: 10.32523/2220-685X-2017-43-4-49-54. Disponível em: https://bulprengpe.enu.kz/index.php/main/article/view/410. Acesso em: 23 nov. 2024.